InterCity 125 in the context of "London King's Cross railway station"

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⭐ Core Definition: InterCity 125

The InterCity 125 (originally Inter-City 125) or High Speed Train (HST) is a diesel-powered high-speed passenger train built by British Rail Engineering Limited between 1975 and 1982. A total of 95 sets were produced, each comprising two Class 43 power cars, one at each end, and a rake of seven or eight Mark 3 coaches. The name is derived from its top operational speed of 125 mph (201 km/h). At times, the sets have been classified as British Rail Classes 253, 254 and 255.

British Rail (BR) initially developed the HST as an interim measure in the early 1970s, as delays and cost concerns began to threaten their primary high-speed train project, the Advanced Passenger Train (APT). The HSTs are now widely considered to be among the most successful trains to have operated on the British railway network, both in terms of their initial impact and their longevity: their introduction into service between 1976 and 1982 resulted in significantly reduced journey times, and large increases in patronage on the routes on which they were operated. The trains proved to be a reliable workhorse, remaining in front-line service for decades. The first withdrawals began in 2017, 41 years after they were introduced. As of September 2023, InterCity 125s remain in service with ScotRail, Great Western Railway, and Network Rail.

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👉 InterCity 125 in the context of London King's Cross railway station

King's Cross railway station, also known as London King's Cross, is a passenger railway terminus in the London Borough of Camden, on the edge of Central London. It is in the London station group, one of the busiest stations in the United Kingdom and the southern terminus of the East Coast Main Line to Yorkshire and the Humber, North East England and Scotland. Adjacent to King's Cross station is St Pancras International, the London terminus for Eurostar services to continental Europe. Beneath both main line stations is King's Cross St Pancras tube station on the London Underground; combined, they form one of the country's largest and busiest transport hubs.

The station was opened in King's Cross in 1852 by the Great Northern Railway on the northern edge of Central London to accommodate the East Coast Main Line. It quickly grew to cater to suburban lines and was expanded several times in the 19th century. As part of the Big Four grouping in 1923, it came under the ownership of the London and North Eastern Railway, who introduced famous services such as the Flying Scotsman and locomotives such as Mallard. The station complex was redeveloped in the 1970s, simplifying the layout and providing electric suburban services, and it became a major terminus for the high-speed InterCity 125. As of 2018, long-distance trains from King's Cross are run by London North Eastern Railway to Edinburgh Waverley, Leeds and Newcastle; other long-distance operators include Hull Trains and Grand Central. In addition, Great Northern runs suburban commuter trains around North London, Hertfordshire, Cambridgeshire and Norfolk.

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InterCity 125 in the context of Diesel locomotive

A diesel locomotive is a type of railway locomotive in which the power source is a diesel engine. Several types of diesel locomotives have been developed, differing mainly in the means by which mechanical power is conveyed to the driving wheels. The most common are diesel–electric locomotives and diesel–hydraulic.

Early internal combustion locomotives and railcars used kerosene and gasoline as their fuel. Rudolf Diesel patented his first compression-ignition engine in 1898, and steady improvements to the design of diesel engines reduced their physical size and improved their power-to-weight ratios to a point where one could be mounted in a locomotive. Internal combustion engines only operate efficiently within a limited power band, and while low-power gasoline engines could be coupled to mechanical transmissions, the more powerful diesel engines required the development of new forms of transmission. This is because clutches would need to be very large at these power levels and would not fit in a standard 2.5 m (8 ft 2 in)-wide locomotive frame, or would wear too quickly to be useful.

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LINKED FROM (PARENTS)
← Diesel locomotive ← London King's Cross railway station
LINKS TO (CHILDREN)
High-speed rail → British Rail Engineering Limited → British Rail Class 43 (HST) → Power car → Rake (train) → British Rail Mark 3 → Advanced Passenger Train → ScotRail → Great Western Railway (train operating company) → Network Rail →